He could see how that would end. If the Service could actually kill them, which he doubted considering the paranoia of those involved, those who cared and sheltered them would probably come after the field agents whenever they could. The Service would declare war on an unseen and unknown enemy and that didn't appeal to anyone. Like it or not, Caliban, Raven and the others were all people who inspired loyalty in those who followed them.
If we were going to start killing people off who were involved in some sort of shadowy cult like business you, with the greatest possible respect, would not be here. But my job is to find out what is going on, and I'm honestly not sure if I have learnt much aside from what is going on is no good, involved nomads and that two people who don't like one another are claiming to prevent the other from bringing doom upon the world. I can see why shooting them might just be easier....but it doesn't solve my problem about nomads.
He sighed, he was probably getting too old for this but here it was. The truth that no one wanted to face. The world moved on and he didn't know much about anything anymore. He recomposed himself, unsure as to what else to ask.